Home / 163,557,538.08-225,710,844.06-89,218,428.90

Finding the Fourth Proportional to 163,557,538.08, 225,710,844.06 and 89,218,428.90

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Solution

The fourth proportional to 163,557,538.08, 225,710,844.06 and 89,218,428.90 is: 123,122,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,557,538.08 : 225,710,844.06 = 89,218,428.90 : x
  2. Step 2: Convert to fraction form
    163,557,538.08/225,710,844.06 = 89,218,428.90/x
  3. Step 3: Cross multiply
    163,557,538.08x = 225,710,844.06 × 89,218,428.90
  4. Step 4: Simplify right side
    163,557,538.08x = 20,137,566,892,726,100
  5. Step 5: Solve for x
    x = 20,137,566,892,726,100/163,557,538.08
  6. Step 6: Final answer
    x = 123,122,218.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.